Dr. Zeresenay Alemseged, California Academy of Sciences (IMAGE)

California Academy of Sciences

Dr. Zeresenay Alemseged, California Academy of Sciences

Caption

Dr. Zeresenay Alemseged, Curator of Anthropology at the California Academy of Sciences, excavates an ancient rhino skull at Dikika, Ethiopia. Alemseged's excavations at Dikika recently unearthed the oldest known evidence of stone tool use among human ancestors.

Credit

Dikika Research Project, California Academy of Sciences

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With credit to the Dikika Research Project, California Academy of Sciences

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